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CVE-2023-46303

Calibre-ebook Calibre server-side request forgery (SSRF)

7.5 HIGHPublic exploitEPSS 1.34%
  1. Published22 Oct 2023

Description

link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0 can, by default, add resources outside of the document root.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

Calibre-ebook Calibre< 6.19.0

Remediation

Fixed in
Calibre-ebook Calibre≥ 6.19.0

References

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Frequently asked

Is CVE-2023-46303 being actively exploited?

CVE-2023-46303 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.34%.

How severe is CVE-2023-46303?

CVE-2023-46303 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 1.34% probability of exploitation.

Which products are affected by CVE-2023-46303?

Affected products include Calibre-ebook Calibre.

How do I fix CVE-2023-46303?

Upgrade affected software to a fixed version, for example Calibre-ebook Calibre 6.19.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-46303 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.